50820645 has 8 divisors (see below), whose sum is σ = 81313056. Its totient is φ = 27104336.

The previous prime is 50820643. The next prime is 50820659. The reversal of 50820645 is 54602805.

50820645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50820645 - 2¹ = 50820643 is a prime.

It is a Curzon number.

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50820641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1694007 + ... + 1694036.

It is an arithmetic number, because the mean of its divisors is an integer number (10164132).

Almost surely, 2^50820645 is an apocalyptic number.

It is an amenable number.

50820645 is a deficient number, since it is larger than the sum of its proper divisors (30492411).

50820645 is a wasteful number, since it uses less digits than its factorization.

50820645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3388051.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 50820645 is about 7128.8600070418. The cubic root of 50820645 is about 370.4077438255.

The spelling of 50820645 in words is "fifty million, eight hundred twenty thousand, six hundred forty-five".